/*
 * Copyright (c) 2020, 2025, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
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 */
package com.oracle.svm.core.jdk;

import java.util.Deque;
import java.util.Map;

import com.oracle.svm.core.annotate.Alias;
import com.oracle.svm.core.annotate.Delete;
import com.oracle.svm.core.annotate.RecomputeFieldValue;
import com.oracle.svm.core.annotate.RecomputeFieldValue.Kind;
import com.oracle.svm.core.annotate.Substitute;
import com.oracle.svm.core.annotate.TargetClass;

/*
 * Substituting the entire class because the original class has fields capturing
 * state from the image generator that must not leak into the image heap.
 */
@Substitute
@TargetClass(value = jdk.internal.loader.NativeLibraries.class)
final class Target_jdk_internal_loader_NativeLibraries {

    // needs to be explicitly deleted (GR-58623)
    @Delete @SuppressWarnings("unused") static final boolean $assertionsDisabled = false;

    @Substitute
    public static Target_jdk_internal_loader_NativeLibraries newInstance(@SuppressWarnings("unused") ClassLoader loader) {
        return new Target_jdk_internal_loader_NativeLibraries();
    }

    @Substitute
    @SuppressWarnings("static-method")
    public long find(String name) {
        return NativeLibrarySupport.singleton().findSymbol(name).rawValue();
    }
}

@TargetClass(value = jdk.internal.loader.NativeLibraries.class, innerClass = "NativeLibraryImpl")
final class Target_jdk_internal_loader_NativeLibraries_NativeLibraryImpl {
}

@TargetClass(value = jdk.internal.loader.NativeLibraries.class, innerClass = "NativeLibraryContext")
final class Target_jdk_internal_loader_NativeLibraries_NativeLibraryContext {

    @Alias //
    @RecomputeFieldValue(kind = Kind.Reset) //
    static Map<Thread, Deque<Target_jdk_internal_loader_NativeLibraries_NativeLibraryImpl>> nativeLibraryThreadContext;
}
